Literary usage of Hydrilla verticillata

Below you will find example usage of this term as found in modern and/or classical literature:

1.Hooker's Journal of Botany and Kew Garden Miscellany by William Jackson Hooker (1857)"I had early in this year suggested to Herr Sanio that hydrilla verticillata might
occur in the lakes of Eastern Prussia, the plant having a decidedly ..."